XPost: linux.debian.bugs.dist
To: guillem@debian.org (Guillem Jover)

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On Fri, 31 Jul 2015 13:16:24 +0200 Guillem Jover <guillem@debian.org> wrote:

Hi!

On Fri, 2015-07-31 at 11:34:20 +0200, Bastien ROUCARIES wrote:

On Fri, Jul 31, 2015 at 11:04 AM, Bastien ROUCARIES wrote:

Lintian now detect script creating user pointing to /home.

After a chat under #debian-qa it appear that canonical path for non existant home dir is /nonexistant could be documented ?

Moreover how can a developper could correct a mistake in previous
package ? Rip the /home directory correct hte passd file ?

To fix a wrong home path you can do something like:

,---
# Fix the home directory name created by an old package.
u_home=$(getent passwd USERNAME | cut -d: -f6)
if [ "$u_home" = "OLDHOME" ] ; then
usermod --home NEWHOME USERNAME >/dev/null || true
fi
`---

It's not as simple as that. You might still have running processes with
that uid in which case usermod complains and exists.
So to successfully run usermod you'd have to kill a processes running
under that uid.

--
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?


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--- SoupGate-

XPost: linux.debian.bugs.dist
To: guillem@debian.org (Guillem Jover)
Copy: jcristau@debian.org (Julien Cristau)

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Am 18.09.2017 um 02:18 schrieb Michael Biebl:

It's not as simple as that. You might still have running processes with
that uid in which case usermod complains and exists.
So to successfully run usermod you'd have to kill a processes running
under that uid.

Fwiw, I ran into this issue when an upstream of mine switched runtimedir
from /var/run to /run and my postinst so far has created a system user
with --home /var/run/foo which I now wanted to change to --home /run/foo.
As the package starts a (socket activated) daemon, this needs some
dedicated code to disable socket activation, then stop the daemon, then
change the home directory via usermod, then re-enable socket activation.

Or I just don't try to anticipate all possible corner cases and simply
use the new home directory only on new installations.

Not sure what's better.


--
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?


--6SdIGNm85ngt8aVu1Xrc0LkptOLR9T4TA--

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--- SoupGate-